메모 이미지 배경 설정 추가

src/main/java/cokr/xit/base/file/xls/XLSWriter.java

@@ -1,5 +1,6 @@
 package cokr.xit.base.file.xls;
 
+import java.io.FileInputStream;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.ArrayList;
@@ -12,18 +13,33 @@ import java.util.function.Function;
 import java.util.function.Supplier;
 import java.util.stream.Stream;
 
+import org.apache.poi.ooxml.POIXMLDocumentPart.RelationPart;
 import org.apache.poi.ss.usermodel.BorderStyle;
 import org.apache.poi.ss.usermodel.CellStyle;
+import org.apache.poi.ss.usermodel.ClientAnchor;
+import org.apache.poi.ss.usermodel.CreationHelper;
 import org.apache.poi.ss.usermodel.FillPatternType;
 import org.apache.poi.ss.usermodel.Font;
 import org.apache.poi.ss.usermodel.HorizontalAlignment;
 import org.apache.poi.ss.usermodel.VerticalAlignment;
 import org.apache.poi.ss.util.CellRangeAddress;
 import org.apache.poi.xssf.streaming.SXSSFCell;
+import org.apache.poi.xssf.streaming.SXSSFDrawing;
 import org.apache.poi.xssf.streaming.SXSSFRow;
 import org.apache.poi.xssf.streaming.SXSSFSheet;
 import org.apache.poi.xssf.streaming.SXSSFWorkbook;
+import org.apache.poi.xssf.usermodel.XSSFComment;
+import org.apache.poi.xssf.usermodel.XSSFPictureData;
+import org.apache.poi.xssf.usermodel.XSSFRelation;
+import org.apache.poi.xssf.usermodel.XSSFVMLDrawing;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+import org.openxmlformats.schemas.officeDocument.x2006.sharedTypes.STTrueFalse;
+import org.springframework.util.FileCopyUtils;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.microsoft.schemas.vml.CTFill;
+import com.microsoft.schemas.vml.CTShape;
+import com.microsoft.schemas.vml.STFillType;
 
 /**대용량 데이터를 엑셀 파일로 저장하는 유틸리티.
  * XLSWriter는 엑셀 템플릿 파일을 사용하도록 할 수 있다.
@@ -188,9 +204,7 @@ public class XLSWriter extends XLS {
 	 * @return 현재 XLSWriter
 	 */
 	public XLSWriter value(Object val, Object style) {
-		if (isEmpty(val))
-			return this;
-
+		if (!isEmpty(val)) {
 			if (val instanceof String) {
 				cell.setCellValue((String)val);
 			} else if (val instanceof Number) {
@@ -203,7 +217,7 @@ public class XLSWriter extends XLS {
 				cell.setCellValue(b.booleanValue());
 			} else
 				throw new IllegalArgumentException(val.getClass().getName() + ": " + val);
-
+		}
 		setCellStyle(style);
 
 		return this;
@@ -245,6 +259,8 @@ public class XLSWriter extends XLS {
 					setCellStyle(val);
 				} else if (val instanceof Formatter) {
 					setCellStyle(val);
+				} else if (val instanceof Runnable) {
+					((Runnable)val).run();
 				} else {
 					col(x).value(val);
 					++x;
@@ -302,6 +318,8 @@ public class XLSWriter extends XLS {
 					val = formatter.convert.apply(map);
 				}
 				vals.add(val);
+				if (formatter.onCell != null)
+					vals.add(formatter.onCell.apply(map));
 
 				Styler styler = formatter.styler;
 				CellStyle style = formatter.style;
@@ -309,7 +327,6 @@ public class XLSWriter extends XLS {
 					style = cellStyle(styler);
 				if (style != null)
 					vals.add(style);
-
 			} else {
 				vals.add(map.get(obj));
 			}
@@ -763,6 +780,8 @@ public class XLSWriter extends XLS {
 		private CellStyle style;
 		private Styler styler;
 
+		private Function<Map<?, ?>, Runnable> onCell;
+
 		/**데이터 키를 설정한다.
 		 * @param key 데이터 키
 		 * @return 현재 Formatter
@@ -772,6 +791,15 @@ public class XLSWriter extends XLS {
 			return this;
 		}
 
+		/**데이터 포맷 function을 설정한다.
+		 * @param func 데이터 포맷 설정
+		 * @return 현재 Formatter
+		 */
+		public Formatter format(Function<Map<?, ?>, Object> func) {
+			convert = func;
+			return this;
+		}
+
 		/**셀스타일을 설정한다.
 		 * @param style 셀스타일
 		 * @return 현재 Formatter
@@ -790,12 +818,8 @@ public class XLSWriter extends XLS {
 			return this;
 		}
 
-		/**데이터 포맷 function을 설정한다.
-		 * @param func 데이터 포맷 설정
-		 * @return 현재 Formatter
-		 */
-		public Formatter format(Function<Map<?, ?>, Object> func) {
-			convert = func;
+		public Formatter onCell(Function<Map<?, ?>, Runnable> func) {
+			onCell = func;
 			return this;
 		}
 	}
@@ -847,6 +871,10 @@ public class XLSWriter extends XLS {
 			return defs.stream().map(CellDef::getValue).toList().toArray();
 		}
 
+		public static TypeReference<List<CellDef>> listType() {
+			return new TypeReference<List<CellDef>>() {};
+		}
+
 		private String
 			label,
 			field;
@@ -918,4 +946,93 @@ public class XLSWriter extends XLS {
 			return this;
 		}
 	}
+
+	public static class CommentSupport {
+		private XLSWriter writer;
+		private XSSFWorkbook workbook;
+		private CreationHelper factory;
+		private ClientAnchor anchor;
+		private Image image;
+
+		public CommentSupport(XLSWriter writer) {
+			this.writer = writer;
+			workbook = this.writer.workbook.getXSSFWorkbook();
+			factory = workbook.getCreationHelper();
+			anchor = factory.createClientAnchor();
+			image = new Image(this.writer);
+		}
+
+		public XSSFComment create(String str) {
+			int row = writer.cell.getRowIndex();
+			anchor.setRow1(row);
+			anchor.setRow2(row + 17);
+			int col = writer.cell.getColumnIndex();
+			anchor.setCol1(col);
+			anchor.setCol2(col + 6);
+
+			SXSSFDrawing drawing = writer.worksheet.createDrawingPatriarch();
+			XSSFComment comment = (XSSFComment)drawing.createCellComment(anchor);
+			comment.setString(str);
+			writer.cell.setCellComment(comment);
+			return comment;
+		}
+
+		public void setBackgroundImage(String title, String path) {
+			int picIndex = image.add(path);
+			XSSFPictureData pic = workbook.getAllPictures().get(picIndex);
+			XSSFVMLDrawing vml = writer.worksheet.getVMLDrawing(true);
+			RelationPart rp = vml.addRelation(null, XSSFRelation.IMAGES, pic);
+
+			int row = writer.cell.getRowIndex();
+			int col = writer.cell.getColumnIndex();
+			CTShape shape = vml.findCommentShape(row, col);
+			CTFill fill = shape.getFillArray(0);
+			fill.setColor2(fill.getColor());
+			fill.unsetColor();
+			fill.setRelid(rp.getRelationship().getId());
+			fill.setTitle(title);
+			fill.setRecolor(STTrueFalse.T);
+			fill.setRotate(STTrueFalse.T);
+			fill.setType(STFillType.FRAME);
+		}
+
+		public void setImageComment(String path) {
+			create("");
+			setBackgroundImage("", path);
+		}
+
+		public Runnable getImageCommenter(String path) {
+			return () -> setImageComment(path);
+		}
+	}
+
+	public static class Image {
+		private XLSWriter writer;
+
+		public Image(XLSWriter writer) {
+			this.writer = writer;
+		}
+
+		public int add(InputStream input, int imgType) {
+			try {
+				return writer.workbook.addPicture(
+					FileCopyUtils.copyToByteArray(input),
+					imgType
+				);
+			} catch (Exception e) {
+				throw runtimeException(e);
+			}
+		}
+
+		public int add(String path) {
+			String str = path.toLowerCase();
+			int imgType = str.endsWith(".png") ? SXSSFWorkbook.PICTURE_TYPE_PNG : SXSSFWorkbook.PICTURE_TYPE_JPEG;
+
+			try (FileInputStream input = new FileInputStream(path)) {
+				return add(input, imgType);
+			} catch (Exception e) {
+				throw runtimeException(e);
+			}
+		}
+	}
 }